{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["location", "organization", "person"], "input": "He was the first Labour Chancellor of the Exchequer , a position he held in 1924 and again between 1929 and 1931 ."}
{"location": [], "organization": ["Labour"], "person": []}